Function test_canvas_change

lib/matplotlib/tests/test_backend_bases.py:73–79

()

def test_canvas_change():
    fig = plt.figure()
    # Replaces fig.canvas
    canvas = FigureCanvasBase(fig)
    # Should still work.
    plt.close(fig)
    assert not plt.fignum_exists(fig.number)


@pytest.mark.backend('pdf')